subr_devmap.c File Reference

#include <sys/cdefs.h>
#include "opt_ddb.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/devmap.h>
#include <vm/vm.h>
#include <vm/vm_extern.h>
#include <vm/pmap.h>
#include <machine/vmparam.h>

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Macros
#define	AKVA_DEVMAP_MAX_ENTRIES   32

Functions
	__FBSDID ("$FreeBSD$")
static void	devmap_dump_table (int(*prfunc)(const char *,...))
void	devmap_print_table ()
vm_offset_t	devmap_lastaddr ()
void	devmap_add_entry (vm_paddr_t pa, vm_size_t sz)
void	devmap_register_table (const struct devmap_entry *table)
void	devmap_bootstrap (vm_offset_t l1pt, const struct devmap_entry *table)
void *	devmap_ptov (vm_paddr_t pa, vm_size_t size)
vm_paddr_t	devmap_vtop (void *vpva, vm_size_t size)
void *	pmap_mapdev (vm_offset_t pa, vm_size_t size)
void	pmap_unmapdev (vm_offset_t va, vm_size_t size)

Variables
static const struct devmap_entry *	devmap_table
static boolean_t	devmap_bootstrap_done = false
static struct devmap_entry	akva_devmap_entries [AKVA_DEVMAP_MAX_ENTRIES]
static u_int	akva_devmap_idx
static vm_offset_t	akva_devmap_vaddr = DEVMAP_MAX_VADDR

Macro Definition Documentation

AKVA_DEVMAP_MAX_ENTRIES

#define AKVA_DEVMAP_MAX_ENTRIES   32

Definition at line 51 of file subr_devmap.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

devmap_add_entry()

void devmap_add_entry	(	vm_paddr_t	pa,
		vm_size_t	sz
	)

Definition at line 124 of file subr_devmap.c.

References akva_devmap_entries, akva_devmap_idx, AKVA_DEVMAP_MAX_ENTRIES, akva_devmap_vaddr, devmap_bootstrap_done, devmap_register_table(), and panic().

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devmap_bootstrap()

void devmap_bootstrap	(	vm_offset_t	l1pt,
		const struct devmap_entry *	table
	)

Definition at line 179 of file subr_devmap.c.

References devmap_bootstrap_done, and devmap_table.

devmap_dump_table()

static void devmap_dump_table ( int(*)(const char *,...)  prfunc )

static

Definition at line 65 of file subr_devmap.c.

References devmap_table.

Referenced by devmap_print_table().

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devmap_lastaddr()

vm_offset_t devmap_lastaddr

(

)

Definition at line 98 of file subr_devmap.c.

References akva_devmap_idx, akva_devmap_vaddr, and devmap_table.

devmap_print_table()

void devmap_print_table

(

)

Definition at line 87 of file subr_devmap.c.

References devmap_dump_table(), and printf().

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devmap_ptov()

void * devmap_ptov	(	vm_paddr_t	pa,
		vm_size_t	size
	)

Definition at line 214 of file subr_devmap.c.

References devmap_table.

Referenced by pmap_mapdev().

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devmap_register_table()

void devmap_register_table

(

const struct devmap_entry *

table

)

Definition at line 161 of file subr_devmap.c.

References devmap_table.

Referenced by devmap_add_entry().

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devmap_vtop()

vm_paddr_t devmap_vtop	(	void *	vpva,
		vm_size_t	size
	)

Definition at line 234 of file subr_devmap.c.

References devmap_table.

Referenced by pmap_unmapdev().

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pmap_mapdev()

void * pmap_mapdev	(	vm_offset_t	pa,
		vm_size_t	size
	)

Definition at line 263 of file subr_devmap.c.

References akva_devmap_vaddr, devmap_ptov(), and panic().

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pmap_unmapdev()

void pmap_unmapdev	(	vm_offset_t	va,
		vm_size_t	size
	)

Definition at line 328 of file subr_devmap.c.

References devmap_vtop().

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Variable Documentation

akva_devmap_entries

struct devmap_entry akva_devmap_entries[AKVA_DEVMAP_MAX_ENTRIES]

static

Definition at line 52 of file subr_devmap.c.

Referenced by devmap_add_entry().

akva_devmap_idx

u_int akva_devmap_idx

static

Definition at line 53 of file subr_devmap.c.

Referenced by devmap_add_entry(), and devmap_lastaddr().

akva_devmap_vaddr

vm_offset_t akva_devmap_vaddr = DEVMAP_MAX_VADDR

static

Definition at line 54 of file subr_devmap.c.

Referenced by devmap_add_entry(), devmap_lastaddr(), and pmap_mapdev().

devmap_bootstrap_done

boolean_t devmap_bootstrap_done = false

static

Definition at line 43 of file subr_devmap.c.

Referenced by devmap_add_entry(), and devmap_bootstrap().

devmap_table

const struct devmap_entry* devmap_table

static

Definition at line 42 of file subr_devmap.c.

Referenced by devmap_bootstrap(), devmap_dump_table(), devmap_lastaddr(), devmap_ptov(), devmap_register_table(), and devmap_vtop().